import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

class ShareResource{
    private int number=1;
    private Lock lock =new ReentrantLock();
    private Condition c1=lock.newCondition();
    private Condition c2 =lock.newCondition();
    private Condition c3 =lock.newCondition();

    public void print5()
    {
        lock.lock();
        try {
            //判断
            while (number!=1){
                c1.await();
            }
            //输出
            for (int i = 1; i <=5 ; i++) {
                System.out.println(Thread.currentThread().getName()+"\t"+i);
            }
            //通知
            number =2;
            c2.signal();
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            lock.unlock();
        }
    }
    public void print10()
    {
        lock.lock();
        try {
            //判断
            while (number!=2){
                c2.await();
            }
            //输出
            for (int i = 1; i <=10 ; i++) {
                System.out.println(Thread.currentThread().getName()+"\t"+i);
            }
            //通知
            number =3;
            c3.signal();
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            lock.unlock();
        }
    }
    public void print15()
    {
        lock.lock();
        try {
            //判断
            while (number!=3){
                c3.await();
            }
            //输出
            for (int i = 1; i <=15 ; i++) {
                System.out.println(Thread.currentThread().getName()+"\t"+i);
            }
            //通知
            number =1;
            c1.signal();
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            lock.unlock();
        }
    }
}
public class ReentrantLock51015Demo {
    public static void main(String[] args) {
        ShareResource shareResource =new ShareResource();
        new Thread(()->{
            for (int i = 1; i <=5 ; i++) {
                shareResource.print5();
            }
        },"AAA").start();

        new Thread(()->{
            for (int i = 1; i <=5 ; i++) {
                shareResource.print10();
            }
        },"BBB").start();

        new Thread(()->{
            for (int i = 1; i <=5 ; i++) {
                shareResource.print15();
            }
            },"CCC").start();
    }
}
